American Heritage Dictionary
Century Dictionary
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GNU Webster's 1913
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WordNet
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The zetetic astronomy has come into my hands.— Myths and Marvels of Astronomy
Under the assumed name of Parallax he visited most of the chief towns of England, propounding what he calls his system of zetetic astronomy.— Myths and Marvels of Astronomy
His employment of the word zetetic is less doubtful, as he claims for his system that it alone is founded on the true seeking out of Nature's secrets.— Myths and Marvels of Astronomy
Twenty years ago De Morgan wrote that 'the founder of the zetetic astronomy gained great praise from provincial newspapers for his ingenuity in proving that the earth is a flat, surrounded by ice,' with the north polar ice in the middle.— Myths and Marvels of Astronomy
'The zetetic system,' proceeds De Morgan, 'still lives in lectures and books; as it ought to do, for there is no way of teaching a truth comparable to opposition.— Myths and Marvels of Astronomy

Century Dictionary (1)
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